Home / 38,380.08-52,964.30-21,384.52

Finding the Fourth Proportional to 38,380.08, 52,964.30 and 21,384.52

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Solution

The fourth proportional to 38,380.08, 52,964.30 and 21,384.52 is: 29,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380.08 : 52,964.30 = 21,384.52 : x
  2. Step 2: Convert to fraction form
    38,380.08/52,964.30 = 21,384.52/x
  3. Step 3: Cross multiply
    38,380.08x = 52,964.30 × 21,384.52
  4. Step 4: Simplify right side
    38,380.08x = 1,132,616,132.64
  5. Step 5: Solve for x
    x = 1,132,616,132.64/38,380.08
  6. Step 6: Final answer
    x = 29,510.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.